#include <stdio.h>
int main()
{
	double x;
	int  r, h, z;

	printf("input x:");
	scanf("%lf", &x);
	printf("input r:");
	scanf("%d", &r);
	printf("input h:");
	scanf("%d", &h);
	z = x * r * r * h;
	printf("%lf*%d*%d*%d\n", x, r, h, z);
	return 0;
}